Base for a lighting fixture



FIG. 1 is a front, bottom and right side perspective view of a base for a lighting fixture showing new design;

FIG. 2 is a bottom plan view thereof on an enlarged scale;

FIG. 3 is a top plan view thereof on an enlarged scale;

FIG. 4 is a front elevational view thereof on an enlarged scale;

FIG. 5 is a rear elevational view thereof on an enlarged scale;

FIG. 6 is a right side elevational view thereof on an enlarged scale; and

FIG. 7 is a left side elevational view thereof on an enlarged scale. 

The ornamental design for a base for a lighting fixture, as shown and described. 